Ciena Corp (CIEN)
Debt-to-capital ratio
| Oct 31, 2025 | Jul 31, 2025 | Apr 30, 2025 | Jan 31, 2025 | Nov 2, 2024 | Oct 31, 2024 | Jul 31, 2024 | Jul 27, 2024 | Apr 30, 2024 | Apr 27, 2024 | Jan 31, 2024 | Jan 27, 2024 | Oct 31, 2023 | Oct 28, 2023 | Jul 31, 2023 | Jul 29, 2023 | Apr 30, 2023 | Apr 29, 2023 | Jan 31, 2023 | Jan 28, 2023 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Long-term debt | US$ in thousands | — | — | — | — | 1,533,070 | — | — | 1,538,320 | — | 1,540,640 | — | 1,543,120 | — | 1,543,410 | — | 1,543,900 | — | 1,546,400 | — | 1,547,500 |
| Total stockholders’ equity | US$ in thousands | 2,729,320 | 2,787,300 | 2,776,380 | 2,793,380 | 2,816,140 | 2,816,140 | 2,890,870 | 2,890,870 | 2,880,260 | 2,880,260 | 2,923,500 | 2,923,500 | 2,848,360 | 2,848,360 | 2,947,010 | 2,947,010 | 2,908,650 | 2,908,650 | 2,838,300 | 2,838,300 |
| Debt-to-capital ratio | 0.00 | 0.00 | 0.00 | 0.00 | 0.35 | 0.00 | 0.00 | 0.35 | 0.00 | 0.35 | 0.00 | 0.35 | 0.00 | 0.35 | 0.00 | 0.34 | 0.00 | 0.35 | 0.00 | 0.35 |
October 31, 2025 calculation
Debt-to-capital ratio = Long-term debt ÷ (Long-term debt + Total stockholders’ equity)
= $—K ÷ ($—K + $2,729,320K)
= 0.00
Peer comparison
Oct 31, 2025
Company name
Symbol
Debt-to-capital ratio
Ciena Corp
CIEN
0.00
Digi International Inc
DGII
0.00
Hewlett Packard Enterprise Co
HPE
0.00